import { xLuceneTypeConfig, xLuceneVariables } from '@terascope/types';
export type JoinBy = 'AND' | 'OR';
export interface xLuceneQueryResult {
    query: string;
    variables: xLuceneVariables;
}
export type CreateJoinQueryOptions = {
    typeConfig?: xLuceneTypeConfig;
    fieldParams?: Record<string, string>;
    joinBy?: JoinBy;
    variables?: Record<string, any>;
};
export declare function toXluceneQuery(input: Record<string, any>, options?: CreateJoinQueryOptions): xLuceneQueryResult;
export declare class VariableState {
    private variables;
    constructor(variables?: Record<string, any>);
    private _makeKey;
    createVariable(field: string, value: unknown): string;
    /**
     * Shallow clones and sorts the keys
    */
    getVariables(): Record<string, any>;
}
//# sourceMappingURL=helpers.d.ts.map